Add "snps,quirk-frame-length-adjustment" property to USB3 node for
erratum A009116.  This property provides value of GFLADJ_30MHZ for post
silicon frame length adjustment.
Signed-off-by: Rajesh Bhagat <rajesh.bhagat@freescale.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>